DOC-20230111-WA0038.

UPPERSTRUCTURE / Pump Device
Disassemble Valve Block
• Be sure to read “Precautions for Disassembly and
Assembly” thoroughly on page W1-1-1 before
starting the disassembly work.
1. Remove socket bolts (4) (6 used) and then
remove the body (3) assembly from the pump
body.
:8 mm
2. Remove O-ring (1) and O-rings (2) (2 used)
from body (3).
3. Remove socket bolts (12) (2 used), and then
remove solenoid (11) from body (3).
:3 mm
4. Remove O-ring (10), sleeve (9), spool (8) and
spring(7) from body (3).
Assemble Valve Block
• Be sure to read “Precautions for Disassembly and
Assembly” thoroughly on page W1-1-1 before
starting the assembly work.
1. Install spring (7) to spool (8).
2. Install spool (8) to sleeve (9).
3. Install the sleeve (9) assembly and O-ring (10)
to body (3).
4. Install solenoid (11) to body (3) with socket bolts
(12) (2 used).
:3 mm
: 3.4 to 4.4 N⋅m
(0.35 to 0.45 kgf⋅m, 2.5 to 3.3 lbf⋅ft)
5. Install O-rings (2) (2 used) and (1) to body (3).
6. Install the body (3) assembly to the pump body
with socket bolts (4) (6 used).
:8 mm
: 55 to 69 N⋅m
(5.6 to 7.0 kgf⋅m, 41 to 51 lbf⋅ft)
W2-4-13